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. Author manuscript; available in PMC: 2025 Aug 25.
Published in final edited form as: Stat Biopharm Res. 2024 Jan 5;17(1):36–45. doi: 10.1080/19466315.2023.2288013

Table 3:

Percentage of patient allocation for the proposed PRO-ISO, PRO-CRM, and a nonparametric optimal benchmark over 7 dose-toxicity scenarios from Lee et al. (2020). The target C-DLT rate is 0.25, the target P-DLT rate is 0.35, and the sample sizes are N=18 and N=40 participants.

N=18 N=40
Scenario 1
Probability of C-DLT 0.05 0.05 0.25 0.40 0.50 0.05 0.05 0.25 0.40 0.50
Probability of P-DLT 0.17 0.18 0.35 0.50 0.65 0.17 0.18 0.35 0.50 0.65
PRO-CRM 20.0 32.0 38.0 9.0 1.0 11.0 26.0 53.0 9.0 1.0
PRO-ISO 14.4 31.7 39.4 12.2 2.2 7.8 30.3 52.3 8.8 1.0
TITE-PRO-ISO 25.7 30.2 31.3 10.6 2.2 12.5 27.0 47.3 11.0 2.0
Scenario 2
Probability of C-DLT 0.05 0.25 0.40 0.55 0.70 0.05 0.25 0.40 0.55 0.70
Probability of P-DLT 0.10 0.15 0.35 0.50 0.65 0.10 0.15 0.35 0.50 0.65
PRO-CRM 25.0 45.0 23.0 6.0 1.0 17.0 55.0 24.0 3.0 1.0
PRO-ISO 20.6 49.4 24.4 5.0 0.6 13.8 60.8 23.0 2.3 0.3
TITE-PRO-ISO 26.8 43.0 23.5 6.1 1.1 15.8 54.3 25.0 4.3 0.8
Scenario 3
Probability of C-DLT 0.01 0.02 0.05 0.10 0.25 0.01 0.02 0.05 0.10 0.25
Probability of P-DLT 0.04 0.09 0.17 0.20 0.35 0.04 0.09 0.17 0.20 0.35
PRO-CRM 8.0 11.0 19.0 29.0 33.0 4.0 5.0 10.0 30.0 51.0
PRO-ISO 7.2 11.1 18.9 31.7 30.6 3.0 4.8 10.0 39.3 43.0
TITE-PRO-ISO 17.9 20.1 23.5 21.8 17.3 8.0 9.3 13.3 29.0 40.3
Scenario 4
Probability of C-DLT 0.02 0.05 0.10 0.25 0.40 0.02 0.05 0.10 0.25 0.40
Probability of P-DLT 0.09 0.17 0.20 0.35 0.50 0.09 0.17 0.20 0.35 0.50
PRO-CRM 13.0 19.0 31.0 29.0 8.0 6.0 9.0 30.0 47.0 8.0
PRO-ISO 10.6 16.7 31.1 32.8 8.9 5.3 8.8 34.3 43.8 8.0
TITE-PRO-ISO 20.7 25.1 26.8 20.1 7.8 9.3 13.3 29.0 38.3 10.3
Scenario 5
Probability of C-DLT 0.05 0.10 0.16 0.25 0.40 0.05 0.10 0.16 0.25 0.40
Probability of P-DLT 0.05 0.20 0.35 0.50 0.65 0.05 0.20 0.35 0.50 0.65
PRO-CRM 16.0 34.0 36.0 12.0 2.0 8.0 25.0 52.0 14.0 1.0
PRO-ISO 12.2 30.6 36.7 17.2 3.3 5.3 29.0 48.5 16.0 1.5
TITE-PRO-ISO 21.2 33.0 29.6 12.8 3.4 9.8 26.0 43.0 17.8 3.5
Scenario 6
Probability of C-DLT 0.05 0.18 0.20 0.25 0.40 0.05 0.18 0.20 0.25 0.40
Probability of P-DLT 0.17 0.35 0.50 0.65 0.80 0.17 0.35 0.50 0.65 0.80
PRO-CRM 36.0 45.0 16.0 3.0 0.0 24.0 57.0 17.0 2.0 0.0
PRO-ISO 30.6 42.8 20.0 5.6 1.1 23.0 55.5 19.0 2.5 0.3
TITE-PRO-ISO 33.0 42.5 18.4 5.6 1.1 21.8 52.0 20.8 4.5 0.8
Scenario 7
Probability of C-DLT 0.01 0.05 0.10 0.16 0.25 0.01 0.05 0.10 0.16 0.25
Probability of P-DLT 0.04 0.05 0.20 0.35 0.50 0.04 0.05 0.20 0.35 0.50
PRO-CRM 8.0 14.0 32.0 34.0 12.0 4.0 6.0 24.0 51.0 15.0
PRO-ISO 7.2 13.3 29.4 35.6 14.4 3.0 5.5 28.5 48.3 14.8
TITE-PRO-ISO 17.9 20.7 28.5 22.3 11.2 8.0 9.8 24.8 40.0 17.5